257043072

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:223

約数の個数: 256

約数和(自身を含む): 833495040

約数和(自身を除く): 576451968

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 31, 32, 33, 39, 44, 48, 52, 62, 64, 66, 78, 88, 93, 96, 104, 124, 128, 132, 143, 151, 156, 176, 186, 192, 208, 248, 264, 286, 302, 312, 341, 352, 372, 384, 403, 416, 429, 453, 496, 528, 572, 604, 624, 682, 704, 744, 806, 832, 858, 906, 992, 1023, 1056, 1144, 1208, 1209, 1248, 1364, 1408, 1488, 1612, 1661, 1664, 1716, 1812, 1963, 1984, 2046, 2112, 2288, 2416, 2418, 2496, 2728, 2976, 3224, 3322, 3432, 3624, 3926, 3968, 4092, 4224, 4433, 4576, 4681, 4832, 4836, 4983, 4992, 5456, 5889, 5952, 6448, 6644, 6864, 7248, 7852, 8184, 8866, 9152, 9362, 9664, 9672, 9966, 10912, 11778, 11904, 12896, 13288, 13299, 13728, 14043, 14496, 15704, 16368, 17732, 18304, 18724, 19328, 19344, 19932, 21593, 21824, 23556, 25792, 26576, 26598, 27456, 28086, 28992, 31408, 32736, 35464, 37448, 38688, 39864, 43186, 43648, 47112, 51491, 51584, 53152, 53196, 54912, 56172, 57984, 60853, 62816, 64779, 65472, 70928, 74896, 77376, 79728, 86372, 94224, 102982, 106304, 106392, 112344, 121706, 125632, 129558, 130944, 141856, 149792, 154473, 154752, 159456, 172744, 182559, 188448, 205964, 212608, 212784, 224688, 243412, 251264, 259116, 283712, 299584, 308946, 318912, 345488, 365118, 376896, 411928, 425568, 449376, 486824, 518232, 567424, 599168, 617892, 637824, 669383, 690976, 730236, 753792, 823856, 851136, 898752, 973648, 1036464, 1235784, 1338766, 1381952, 1460472, 1647712, 1702272, 1797504, 1947296, 2008149, 2072928, 2471568, 2677532, 2763904, 2920944, 3295424, 3894592, 4016298, 4145856, 4943136, 5355064, 5841888, 6590848, 7789184, 8032596, 8291712, 9886272, 10710128, 11683776, 16065192, 19772544, 21420256, 23367552, 32130384, 42840512, 64260768, 85681024, 128521536, 257043072]

約数ペア:

[(1, 257043072), (2, 128521536), (3, 85681024), (4, 64260768), (6, 42840512), (8, 32130384), (11, 23367552), (12, 21420256), (13, 19772544), (16, 16065192), (22, 11683776), (24, 10710128), (26, 9886272), (31, 8291712), (32, 8032596), (33, 7789184), (39, 6590848), (44, 5841888), (48, 5355064), (52, 4943136), (62, 4145856), (64, 4016298), (66, 3894592), (78, 3295424), (88, 2920944), (93, 2763904), (96, 2677532), (104, 2471568), (124, 2072928), (128, 2008149), (132, 1947296), (143, 1797504), (151, 1702272), (156, 1647712), (176, 1460472), (186, 1381952), (192, 1338766), (208, 1235784), (248, 1036464), (264, 973648), (286, 898752), (302, 851136), (312, 823856), (341, 753792), (352, 730236), (372, 690976), (384, 669383), (403, 637824), (416, 617892), (429, 599168), (453, 567424), (496, 518232), (528, 486824), (572, 449376), (604, 425568), (624, 411928), (682, 376896), (704, 365118), (744, 345488), (806, 318912), (832, 308946), (858, 299584), (906, 283712), (992, 259116), (1023, 251264), (1056, 243412), (1144, 224688), (1208, 212784), (1209, 212608), (1248, 205964), (1364, 188448), (1408, 182559), (1488, 172744), (1612, 159456), (1661, 154752), (1664, 154473), (1716, 149792), (1812, 141856), (1963, 130944), (1984, 129558), (2046, 125632), (2112, 121706), (2288, 112344), (2416, 106392), (2418, 106304), (2496, 102982), (2728, 94224), (2976, 86372), (3224, 79728), (3322, 77376), (3432, 74896), (3624, 70928), (3926, 65472), (3968, 64779), (4092, 62816), (4224, 60853), (4433, 57984), (4576, 56172), (4681, 54912), (4832, 53196), (4836, 53152), (4983, 51584), (4992, 51491), (5456, 47112), (5889, 43648), (5952, 43186), (6448, 39864), (6644, 38688), (6864, 37448), (7248, 35464), (7852, 32736), (8184, 31408), (8866, 28992), (9152, 28086), (9362, 27456), (9664, 26598), (9672, 26576), (9966, 25792), (10912, 23556), (11778, 21824), (11904, 21593), (12896, 19932), (13288, 19344), (13299, 19328), (13728, 18724), (14043, 18304), (14496, 17732), (15704, 16368)]